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The XR 46 performs DXA scans of the AP Spine, Hip, Forearm, Lateral Spine, and Whole Body, as well as other user selectable sites. It provides BMD (g/cm2), Area (cm2), and BMC (g) values. It compares these values to gender and ethnic matched reference populations and provides T-Score and % Young Reference, Z-Score and % age matched, and long term and short term change values. This includes sBMD (mg/cm2).

The XR 46 performs soft tissue assessment and provides lean mass, fat mass, percent fat, and total soft tissue values for all scan sites, including Whole Body.

The XR 46 includes a Report Writer that allows the operator to customize the appearance of their reports and to automate the tedious part of the report. It also allows the user to enter ranges of patient values and the specific statements they want to be printed on their reports for each of these ranges.

The bone density measurements from the XR 46 can be used as an aid to physicians in determining fracture risk.

The XR 46 is a full featured, pencil beam, DXA, table bone densitometer that scans the Hip, Spine, Forearm, Whole Body, and other user selectable sites. It provides values for BMD, BMC, and Area. It trends follow-up scan values to provide long and short term % change. It also provides sideby-side comparison images and angulated cursors.

The XR 46 compares patient values to gender and ethnic matched reference populations and provides T-Score, Z-Score, % Young Reference, and % Age Matched values.

The XR 46 includes Fracture Risk assessment based on the World Health Organization (WHO) criteria. In general, this means that patients with T-Scores above -1 are considered to be normal; with T-Scores from -1 to -2.5 are considered to be osteopenic and have an increased risk of fracture; and T-Scores below -2.5 are considered to be osteoporotic and have a high risk of fracture.

The XR 46 includes Body Composition assessment and provides lean, fat, and % fat values. It also provides hydrostatic weighing values based on the Siri and Brozek equations.

The XR 46 includes a Report Writer that allows the operator to customize the appearance of their reports and to automate the tedious part of the report. It also allows the user to enter ranges of patient values and the specific statements they want to be printed on their reports for each of these ranges.

The provided 510(k) summary for the Norland XR 46 DXA Bone Densitometer does not contain information about specific acceptance criteria, a study that proves the device meets those criteria, or details regarding ground truth, expert involvement, or sample sizes related to performance evaluation.

The submission focuses on establishing substantial equivalence to predicate devices (XR 26 DXA bone densitometer, Body Composition Assessment, Reference Population, and Fracture Risk Assessment for Norland bone densitometers) rather than presenting a detailed performance study with acceptance criteria.

The document states that the "XR 46 is comparable to other DXA bone densitometers currently in the market. It does not raise any new safety or effectiveness issues." This suggests that the substantial equivalence argument relies on the inherent capabilities and established performance of the predicate devices.

Therefore, I cannot provide the requested table and information as these details are not present in the provided text.

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